Environment

Workers' Rights

VIDEO: Toxics in the air, worry on the ground

5:00 am, November 7, 2011Updated: 12:19 pm, May 19, 2014

Two decades ago Congress strengthened the Clean Air Act in an attempt to limit emissions of some of the most hazardous chemicals. But an investigation by the Center for Public Integrity's iWatch News and NPR has found that the toxic pollution persists in hundreds of communities, including two cities in Pennsylvania. This video profiles those cities.